Finding the Fourth Proportional to 319,002,364.84, 440,004,734.94 and 195,304,157.68
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Solution
The fourth proportional to 319,002,364.84, 440,004,734.94 and 195,304,157.68 is: 269,385,946.95
Step by Step Solution
- Step 1: Write the proportion equation
319,002,364.84 : 440,004,734.94 = 195,304,157.68 : x - Step 2: Convert to fraction form
319,002,364.84/440,004,734.94 = 195,304,157.68/x - Step 3: Cross multiply
319,002,364.84x = 440,004,734.94 × 195,304,157.68 - Step 4: Simplify right side
319,002,364.84x = 85,934,754,132,668,368 - Step 5: Solve for x
x = 85,934,754,132,668,368/319,002,364.84 - Step 6: Final answer
x = 269,385,946.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.